Advantest R3860A 300kHz-20GHz 4 Port RF Component Analyzer

The Advantest R3860A is a 4-port RF component analyzer delivering S-parameter measurements across 300 kHz to 8 GHz standard, with optional coverage to 20 GHz. This instrument combines high-speed acquisition - 5 µs/point sweep rate - with dynamic range up to 125 dB and trace noise as low as 0.0025 dBrms, enabling precise characterization of RF devices in design, validation, and production environments.

Technical Specifications

• Range: 300 kHz to 8 GHz (standard); 300 kHz to 20 GHz (with optional application package)


• Accuracy: ±10 ppm (at 23 ±5°C)


• Resolution: 1 Hz Signal Source


• Output power: –12 dBm to +13 dBm


• Resolution: 0.001 dB Dynamic Range & Noise


• System dynamic range: Up to 125 dB typical


• Dynamic range by band: –123 dB (300 kHz–700 MHz); –125 dB (700 MHz–3.8 GHz); –124 dB (3.8–6.0 GHz); –123 dB (6.0–8.0 GHz); –117 dB (8.0–20 GHz, 2-port); –113 dB (8.0–20 GHz, 3/4-port)


• Trace noise: 0.0025 dBrms typical (300 kHz–10 MHz at 1 kHz RBW); scaling to 0.080 dBrms (15.84–20 GHz at 100 kHz RBW) Measurement Capability


• Sweep speed: 5 µs/point


• Channels: 16


• Display windows: 16


• Traces: 16 per channel (max. 16 simultaneous)


• 4-port measurement set: S11, S22, S33, S44, S21, S31, S41, S12, S32, S42, S13, S23, S43, S14, S24, S34


• Parameter conversion: Impedance (Z) and admittance (Y) Display Formats


• Rectangular: Amplitude (linear/log), Phase, Group-delay, VSWR, Complex (real/imaginary)


• Smith chart: Amplitude (linear/log), Phase, R+jX, G+jB


• Polar: Amplitude (linear/log), Phase, Complex (real/imaginary) Connectors & Power Limits


• Test ports: N-connector female (8 GHz); 3.5 mm connector male (20 GHz)


• Maximum input: +10 dBm (8 GHz model); +1 dBm (20 GHz model)


• Destructive level: +21 dBm, 16 Vdc

Key Features

• Software fixturing for virtual matching circuit simulation and impedance conversion


• Software balun simulation support


• measurement speed with minimal trace noise across full bandwidth

Typical Applications RF component design verification, transmission line characterization, filter and amplifier evaluation, antenna impedance measurement, quality assurance testing in production.